One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(5,6,12,16,11,7,10,15)(8,13,21,29,23,17,22,19)(9,24,27,18,26,30,25,14)(20,32,33,31,35,36,34,28)(5,7,11,6)(8,19)(9,24,26,30)(10,15,12,16)(13,22)(14,25,18,27)(17,21)(20,31)(23,29)(28,35)(32,33)(34,36)(1,3,4,2)(5,8)(6,13,7,17)(9,20)(10,22)(11,23)(12,21)(14,28,18,31)(15,19,16,29)(24,32,30,36)(25,34)(26,35)(27,33)(5,9,11,26)(6,14,7,18)(8,20,23,35)(10,27,12,25)(13,28,17,31)(15,24,16,30)(19,32,29,36)(21,34,22,33)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.